OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

sparc.c (fp_zero_operand): Turn into a normal predicate. 

* sparc.c (fp_zero_operand): Turn into a normal predicate.
        Use CONST0_RTX.  Update all callers.
        * sparc.h, sparc-protos.h: Update accordingly.
        * sparc.md (fp mov insns): Use fp_zero_operand directly
        where applicable.

From-SVN: r31748
This commit is contained in:
Richard Henderson 2000-02-01 19:05:57 -08:00 committed by Richard Henderson
parent 32bd39747e
commit 7ce86678bf
5 changed files with 36 additions and 47 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2000-02-01 Richard Henderson <rth@cygnus.com>
* sparc.c (fp_zero_operand): Turn into a normal predicate.
Use CONST0_RTX. Update all callers.
* sparc.h, sparc-protos.h: Update accordingly.
* sparc.md (fp mov insns): Use fp_zero_operand directly
where applicable.
Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
* tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS

2
gcc/config/sparc/sparc-protos.h
View File

@ -124,7 +124,7 @@ extern int eligible_for_return_delay PARAMS ((rtx));
extern int emit_move_sequence PARAMS ((rtx, enum machine_mode));
extern int extend_op PARAMS ((rtx, enum machine_mode));
extern int fcc_reg_operand PARAMS ((rtx, enum machine_mode));
extern int fp_zero_operand PARAMS ((rtx));
extern int fp_zero_operand PARAMS ((rtx, enum machine_mode));
extern int fp_sethi_p PARAMS ((rtx));
extern int fp_mov_p PARAMS ((rtx));
extern int fp_high_losum_p PARAMS ((rtx));

14
gcc/config/sparc/sparc.c
View File

@ -387,9 +387,7 @@ reg_or_0_operand (op, mode)
&& CONST_DOUBLE_HIGH (op) == 0
&& CONST_DOUBLE_LOW (op) == 0)
return 1;
if (GET_MODE_CLASS (GET_MODE (op)) == MODE_FLOAT
&& GET_CODE (op) == CONST_DOUBLE
&& fp_zero_operand (op))
if (fp_zero_operand (op, mode))
return 1;
return 0;
}
@ -397,13 +395,13 @@ reg_or_0_operand (op, mode)
/* Nonzero if OP is a floating point value with value 0.0. */
int
fp_zero_operand (op)
fp_zero_operand (op, mode)
rtx op;
enum machine_mode mode;
{
REAL_VALUE_TYPE r;
REAL_VALUE_FROM_CONST_DOUBLE (r, op);
return (REAL_VALUES_EQUAL (r, dconst0) && ! REAL_VALUE_MINUS_ZERO (r));
if (GET_MODE_CLASS (GET_MODE (op)) != MODE_FLOAT)
return 0;
return op == CONST0_RTX (mode);
}
/* Nonzero if OP is a floating point constant which can

6
gcc/config/sparc/sparc.h
View File

@ -1467,8 +1467,8 @@ extern char leaf_reg_remap[];
Here VALUE is the CONST_DOUBLE rtx itself. */
#define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) \
((C) == 'G' ? fp_zero_operand (VALUE) \
: (C) == 'H' ? arith_double_operand (VALUE, DImode) \
((C) == 'G' ? fp_zero_operand (VALUE, GET_MODE (VALUE)) \
: (C) == 'H' ? arith_double_operand (VALUE, DImode) \
: 0)
/* Given an rtx X being reloaded into a reg required to be
@ -2266,7 +2266,7 @@ LFLGRET"ID":\n\
(TARGET_VIS && \
(GET_MODE (X) == SFmode || GET_MODE (X) == DFmode || \
GET_MODE (X) == TFmode) && \
fp_zero_operand (X)))
fp_zero_operand (X, GET_MODE (X))))
/* The macros REG_OK_FOR..._P assume that the arg is a REG rtx
and check its validity for a certain class.

53
gcc/config/sparc/sparc.md
View File

@ -3023,7 +3023,7 @@
"(TARGET_FPU && ! TARGET_VIS && ! TARGET_LIVE_G0)
&& (register_operand (operands[0], SFmode)
|| register_operand (operands[1], SFmode)
|| fp_zero_operand (operands[1]))"
|| fp_zero_operand (operands[1], SFmode))"
"*
{
if (GET_CODE (operands[1]) == CONST_DOUBLE
@ -3068,7 +3068,7 @@
"(TARGET_FPU && TARGET_VIS)
&& (register_operand (operands[0], SFmode)
|| register_operand (operands[1], SFmode)
|| fp_zero_operand (operands[1]))"
|| fp_zero_operand (operands[1], SFmode))"
"*
{
if (GET_CODE (operands[1]) == CONST_DOUBLE
@ -3181,9 +3181,7 @@
if (GET_CODE (operands[0]) == REG
&& CONSTANT_P (operands[1]))
{
if (TARGET_VIS
&& GET_CODE (operands[1]) == CONST_DOUBLE
&& fp_zero_operand (operands[1]))
if (TARGET_VIS && fp_zero_operand (operands[1], SFmode))
goto movsf_is_ok;
/* emit_group_store will send such bogosity to us when it is
@ -3199,9 +3197,7 @@
if (GET_CODE (operands[0]) == MEM)
{
if (register_operand (operands[1], SFmode)
|| (! TARGET_LIVE_G0
&& GET_CODE (operands[1]) == CONST_DOUBLE
&& fp_zero_operand (operands[1])))
|| (! TARGET_LIVE_G0 && fp_zero_operand (operands[1], SFmode)))
goto movsf_is_ok;
if (! reload_in_progress)
@ -3234,19 +3230,16 @@
(define_insn "*clear_df"
[(set (match_operand:DF 0 "register_operand" "=e")
(match_operand:DF 1 "const_double_operand" ""))]
"TARGET_VIS
&& fp_zero_operand (operands[1])"
(match_operand:DF 1 "fp_zero_operand" ""))]
"TARGET_VIS"
"fzero\\t%0"
[(set_attr "type" "fpmove")
(set_attr "length" "1")])
(define_insn "*clear_dfp"
[(set (match_operand:DF 0 "memory_operand" "=m")
(match_operand:DF 1 "const_double_operand" ""))]
"! TARGET_LIVE_G0
&& TARGET_V9
&& fp_zero_operand (operands[1])"
(match_operand:DF 1 "fp_zero_operand" ""))]
"! TARGET_LIVE_G0 && TARGET_V9"
"stx\\t%%g0, %0"
[(set_attr "type" "store")
(set_attr "length" "1")])
@ -3340,9 +3333,7 @@
if (GET_CODE (operands[0]) == REG
&& CONSTANT_P (operands[1]))
{
if (TARGET_VIS
&& GET_CODE (operands[1]) == CONST_DOUBLE
&& fp_zero_operand (operands[1]))
if (TARGET_VIS && fp_zero_operand (operands[1], DFmode))
goto movdf_is_ok;
/* emit_group_store will send such bogosity to us when it is
@ -3604,18 +3595,16 @@
(define_insn "*clear_tf"
[(set (match_operand:TF 0 "register_operand" "=e")
(match_operand:TF 1 "const_double_operand" ""))]
"TARGET_VIS
&& fp_zero_operand (operands[1])"
(match_operand:TF 1 "fp_zero_operand" ""))]
"TARGET_VIS"
"#"
[(set_attr "type" "fpmove")
(set_attr "length" "2")])
(define_split
[(set (match_operand:TF 0 "register_operand" "")
(match_operand:TF 1 "const_double_operand" ""))]
"TARGET_VIS && reload_completed
&& fp_zero_operand (operands[1])"
(match_operand:TF 1 "fp_zero_operand" ""))]
"TARGET_VIS && reload_completed"
[(set (subreg:DF (match_dup 0) 0) (match_dup 1))
(set (subreg:DF (match_dup 0) 8) (match_dup 1))]
"
@ -3626,20 +3615,16 @@
(define_insn "*clear_tfp"
[(set (match_operand:TF 0 "memory_operand" "=m")
(match_operand:TF 1 "const_double_operand" ""))]
"! TARGET_LIVE_G0
&& TARGET_V9
&& fp_zero_operand (operands[1])"
(match_operand:TF 1 "fp_zero_operand" ""))]
"! TARGET_LIVE_G0 && TARGET_V9"
"#"
[(set_attr "type" "fpmove")
(set_attr "length" "2")])
(define_split
[(set (match_operand:TF 0 "memory_operand" "=m")
(match_operand:TF 1 "const_double_operand" ""))]
"! TARGET_LIVE_G0
&& TARGET_V9 && reload_completed
&& fp_zero_operand (operands[1])"
(match_operand:TF 1 "fp_zero_operand" ""))]
"! TARGET_LIVE_G0 && TARGET_V9 && reload_completed"
[(set (subreg:DF (match_dup 0) 0) (match_dup 1))
(set (subreg:DF (match_dup 0) 8) (match_dup 1))]
"
@ -3658,9 +3643,7 @@
if (GET_CODE (operands[0]) == REG
&& CONSTANT_P (operands[1]))
{
if (TARGET_VIS
&& GET_CODE (operands[1]) == CONST_DOUBLE
&& fp_zero_operand (operands[1]))
if (TARGET_VIS && fp_zero_operand (operands[1], TFmode))
goto movtf_is_ok;
/* emit_group_store will send such bogosity to us when it is